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With the advancement of Internet technologies and the widespread use of mobile devices, the number of users in conferencing services is increasing quickly. A P2PSIP conferencing system and an IP Multimedia Subsystem (IMS) conferencing system have been designed to provide conferencing services. The IMS conferencing system was developed to adapt to a server-based centralized system, while the P2P network,...
Tremendous amount of research work is underway on peer to peer Systems and Video Streaming. In result, nowadays a lot of technologies and protocols are being developed to facilitate the developers to develop such type of applications at rapid pace. Most of these applications are desktop-based; only the desktop users can view regular contents and make conversation. The software we have developed is...
Peer-to-peer media streaming is a scalable way to multicast real-time contents toward a large number of peers. In multi-stream streaming systems such as P2PTV, peers continuously switch between media streams at a high rate. This leads to data loss, data propagation delay, and overlay reconstruction. In this paper, we propose a mechanism to make a multi-stream peer-to-peer media streaming system resilient...
Factors influencing human behavior have seldom appeared in signal processing disciplines. Therefore, the goals of the article are to illustrate why human factors are important, identify emerging issues strongly related to signal processing, and to demonstrate that signal processing can be effectively used to model, analyze, and perform behavior forensics for multimedia social networks. Since media...
In this paper, we develop an effective P2P-based multimedia content delivery networks model, which seeks to analyze system performance metrics: hit ratios and throughputs, which are affected by system parameters. We find out that there are three key bottlenecks that affect system performance metrics: the performance of the media content providers, the network bandwidth between nodes and disk I/O bandwidth...
Incentive mechanisms are essential components of peer-to-peer systems for file sharing such as BitTorrent, since they enforce peers to share their resources and to participate. Recent P2P systems that distribute live multimedia streams take their inspiration from BitTorrent, but have not defined incentive mechanisms appropriate to the nature of continuous media. In this article, we uncover the way...
In this paper, we present a receiver centric P2P-based multimedia streaming mechanism for heterogeneous network terminals. P2P networks possess the heterogeneous characteristics that are not known a priori, such dynamic conditions make the real time applications like multimedia streaming more challenging. We proposed an adaptive streaming mechanism to cope with the problem of dynamic characteristics...
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